tsan_malloc_mac.cpp revision 360784 
1//===-- tsan_malloc_mac.cpp -----------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file is a part of ThreadSanitizer (TSan), a race detector.
10//
11// Mac-specific malloc interception.
12//===----------------------------------------------------------------------===//
13
14#include "sanitizer_common/sanitizer_platform.h"
15#if SANITIZER_MAC
16
17#include "sanitizer_common/sanitizer_errno.h"
18#include "tsan_interceptors.h"
19#include "tsan_stack_trace.h"
20
21using namespace __tsan;
22#define COMMON_MALLOC_ZONE_NAME "tsan"
23#define COMMON_MALLOC_ENTER()
24#define COMMON_MALLOC_SANITIZER_INITIALIZED (cur_thread()->is_inited)
25#define COMMON_MALLOC_FORCE_LOCK()
26#define COMMON_MALLOC_FORCE_UNLOCK()
27#define COMMON_MALLOC_MEMALIGN(alignment, size) \
28  void *p =                                     \
29      user_memalign(cur_thread(), StackTrace::GetCurrentPc(), alignment, size)
30#define COMMON_MALLOC_MALLOC(size)                             \
31  if (in_symbolizer()) return InternalAlloc(size);             \
32  SCOPED_INTERCEPTOR_RAW(malloc, size);                        \
33  void *p = user_alloc(thr, pc, size)
34#define COMMON_MALLOC_REALLOC(ptr, size)                              \
35  if (in_symbolizer()) return InternalRealloc(ptr, size);             \
36  SCOPED_INTERCEPTOR_RAW(realloc, ptr, size);                         \
37  void *p = user_realloc(thr, pc, ptr, size)
38#define COMMON_MALLOC_CALLOC(count, size)                              \
39  if (in_symbolizer()) return InternalCalloc(count, size);             \
40  SCOPED_INTERCEPTOR_RAW(calloc, size, count);                         \
41  void *p = user_calloc(thr, pc, size, count)
42#define COMMON_MALLOC_POSIX_MEMALIGN(memptr, alignment, size)      \
43  if (in_symbolizer()) {                                           \
44    void *p = InternalAlloc(size, nullptr, alignment);             \
45    if (!p) return errno_ENOMEM;                                   \
46    *memptr = p;                                                   \
47    return 0;                                                      \
48  }                                                                \
49  SCOPED_INTERCEPTOR_RAW(posix_memalign, memptr, alignment, size); \
50  int res = user_posix_memalign(thr, pc, memptr, alignment, size);
51#define COMMON_MALLOC_VALLOC(size)                            \
52  if (in_symbolizer())                                        \
53    return InternalAlloc(size, nullptr, GetPageSizeCached()); \
54  SCOPED_INTERCEPTOR_RAW(valloc, size);                       \
55  void *p = user_valloc(thr, pc, size)
56#define COMMON_MALLOC_FREE(ptr)                              \
57  if (in_symbolizer()) return InternalFree(ptr);             \
58  SCOPED_INTERCEPTOR_RAW(free, ptr);                         \
59  user_free(thr, pc, ptr)
60#define COMMON_MALLOC_SIZE(ptr) uptr size = user_alloc_usable_size(ptr);
61#define COMMON_MALLOC_FILL_STATS(zone, stats)
62#define COMMON_MALLOC_REPORT_UNKNOWN_REALLOC(ptr, zone_ptr, zone_name) \
63  (void)zone_name; \
64  Report("mz_realloc(%p) -- attempting to realloc unallocated memory.\n", ptr);
65#define COMMON_MALLOC_NAMESPACE __tsan
66#define COMMON_MALLOC_HAS_ZONE_ENUMERATOR 0
67#define COMMON_MALLOC_HAS_EXTRA_INTROSPECTION_INIT 0
68
69#include "sanitizer_common/sanitizer_malloc_mac.inc"
70
71#endif
72